A Copper Hoop Is Held in a Vertical East-West Plane

question 9

Multiple Choice

A copper hoop is held in a vertical east-west plane in a uniform magnetic field whose field lines run along the north-south direction.The largest induced emf is produced when the hoop is:

• A)rotated about a north-south axis
• B)rotated about an east-west axis
• C)moved rapidly, without rotation, toward the east
• D)moved rapidly, without rotation, toward the south
• E)moved rapidly, without rotation, toward the northwest